Don't let the cosy look of this cuddly slipper fool you, the Tent Mule is a hardy low-cut slip-on which combines uncompromised warmth with a tough upper, making it ideal for camping trips and indoor use. Its durable, water-resistant recycled P.E.T. Ripstop upper is made from recycled bottles and protects the lofting properties of the PrimaLoft ThermoBall insulated core to ensure that your toes enjoy maximum warmth whatever the weather.